(slang) A very sexually attractive person or persons.

A non-compulsory examination taken in the final two years in British high schools; the qualification obtained by passing such an exam / (Internet, prostitution, euphemistic) anal sex.

(UK, obsolete, dialect, idiomatic) tipsy

From the beginning.

(idiomatic, usually followed by with) To have a complaint or grievance (with somebody); to have a contentious issue to discuss.

(simile) Quickly but futilely, away from a failing project.

To flex the biceps muscles in the upper arm as a show of muscular strength or development

To a small extent or degree. / Slightly. / (UK, meiosis) Very. / (UK, meiosis) A lot. / (UK, meiosis) A lot of.

A small amount of.

(idiomatic) It takes a long time to create something complicated or impressive.